STRATOSPHERE ► audio Scrabble 17 Words With Friends 17 Scrabble letter values: S1T1R1A1T1O1S1P3H4E1R1E1 = 17 Definition noun the atmospheric layer between the troposphere and the mesosphere. See all 1141 words you can make from STRATOSPHERE → 12-letter words Words starting with S Words ending with E ← Unscramble different letters